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| Criterion |  Operations 8D Problem Solving |  Operations Getting Things Done |  Operations Root Cause Analysis |  Operations ALPEN Method |
|---|---|---|---|---|
Purposedifferent | For an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. | With many open commitments and ideas in daily life, a reliable external storage system emerges. The method relieves the mind so priority and context don't have to compete in memory. | When a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. | With an overloaded day full of too many tasks, a realistic picture of the day emerges. The method connects estimating, deciding, and buffer thinking so planning fits available energy and time. |
Complexitydifferent | High | Medium | Medium | Low |
Timedifferent | 1-6 Wochen | 1-2 h Setup, laufend | 1-4 h | 10-20 min daily |
Participantsdifferent | 4-10 | 1 | 3-8 | 1 |
Formatdifferent | Workshop + async | Async | Workshop + async | Async |
Outputdifferent | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Action Lists, Project List, Review Routine | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | Daily Plan, Time Estimates, Review Notes |
Tagsno overlap | QualityProblem solvingRoot cause | ProductivityPlanningTasksExecution | Root causeProblem solvingQualityIncident | PlanningTime managementProductivityOperations |